poelseum.dk is a .dk domain served by 2 nameservers (shaz.ns.cloudflare.com, zeus.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.22.212 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx10.mailspamprotection.com, mx20.mailspamprotection.com and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.22.212 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.207.28 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx10.mailspamprotection.com | 34.149.79.66 | 66.79.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| 20 | 300s | mx20.mailspamprotection.com | 34.120.156.61 | 61.156.120.34.bc.googleusercontent.com | AS396982 Google LLC |
| 30 | 300s | mx30.mailspamprotection.com | 34.111.121.216 | 216.121.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:cf1c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:16d4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.22.212,172.67.207.28 ech=AEX+DQBBMQAgACB6Vubya6Y/5gu02PNqDRlu9ozqnV41W0xP7IrqtWeBFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cf1c,2606:4700:3034::6815:16d4 |
| TXT Record |
|---|
| v=spf1 +a +mx +a:es82.siteground.eu include:poelseum.dk.spf.auto.dnssmarthost.net ~all |
| Policy | Record (poelseum.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +a:es82.siteground.eu include:poelseum.dk.spf.auto.dnssmarthost.net ~all |
| Policy | Record (_dmarc.poelseum.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; aspf=r; adkim=r; |
| www | 104.21.22.212 172.67.207.28 2606:4700:3031::ac43:cf1c 2606:4700:3034::6815:16d4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network poelseum.dk: 104.21.22.212 172.67.207.28 2606:4700:3031::ac43:cf1c 2606:4700:3034::6815:16d4 (AS13335) www.poelseum.dk: 104.21.22.212 172.67.207.28 2606:4700:3031::ac43:cf1c 2606:4700:3034::6815:16d4 (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.poelseum.dk | NSAjF8RXTBDvwIKl6CwRCp0QmF040p-idcbihfv4wjw |
| TXT | _acme-challenge.poelseum.dk | l8E-gGvFXF_gB1cMy7P43ii50S1GqNqRAHQ2CL_gg38 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415961944 |
| Primary NS (MNAME) | shaz.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 05:30:32 | 817ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-27 05:10:58 shown | 852ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-19 20:25:47 | 1256ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-12 15:34:34 | 995ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-02 15:50:02 | 9859ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-27 02:16:43 | 752ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-25 11:57:09 | 1370ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-29 17:18:31 | 1181ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-16 09:26:32 | 1223ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 22:45:29 | 775ms | 2 NS 2 A 3 MX | 🔓 Insecure |